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Title: Ultra-wideband coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating at fusion plasmas

Abstract

We designed a high power and ultra-wideband two-section 3 dB coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating by configuring asymmetric impedance matching using a three-dimensional simulation code, hfss. By adjusting the characteristic impedances of main and coupled lines of the hybrid coupler, we realized that the bandwidth of the proposed circuit is not only wider than that of a conventional three-section coupler, but also that the bandwidth is almost twice as wide compared to the conventional two-section hybrid coupler while maintaining the identical overall size.

Authors:
; ; ;  [1];  [2]; ;  [3]
  1. National Fusion Research Institute, Daejeon 305-333 (Korea, Republic of)
  2. Korea Atomic Energy Research Institute, Daejeon 305-333 (Korea, Republic of)
  3. Department of Electronics Convergence Engineering, Kwangwoon University, Seoul 139-701 (Korea, Republic of)
Publication Date:
OSTI Identifier:
22080415
Resource Type:
Journal Article
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 100; Journal Issue: 26; Other Information: (c) 2012 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0003-6951
Country of Publication:
United States
Language:
English
Subject:
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; ASYMMETRY; CYCLOTRONS; HEATING; HYPERFINE STRUCTURE; IMPEDANCE; IONS; PLASMA; POWER TRANSMISSION LINES; SIMULATION; WAVEGUIDES

Citation Formats

Kim, H. J., Bae, Y. S., Yang, H. L., Kwak, J.-G., Wang, S. J., Kim, B. K., and Choi, J. J. Ultra-wideband coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating at fusion plasmas. United States: N. p., 2012. Web. doi:10.1063/1.4731241.
Kim, H. J., Bae, Y. S., Yang, H. L., Kwak, J.-G., Wang, S. J., Kim, B. K., & Choi, J. J. Ultra-wideband coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating at fusion plasmas. United States. doi:10.1063/1.4731241.
Kim, H. J., Bae, Y. S., Yang, H. L., Kwak, J.-G., Wang, S. J., Kim, B. K., and Choi, J. J. Mon . "Ultra-wideband coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating at fusion plasmas". United States. doi:10.1063/1.4731241.
@article{osti_22080415,
title = {Ultra-wideband coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating at fusion plasmas},
author = {Kim, H. J. and Bae, Y. S. and Yang, H. L. and Kwak, J.-G. and Wang, S. J. and Kim, B. K. and Choi, J. J.},
abstractNote = {We designed a high power and ultra-wideband two-section 3 dB coaxial hybrid coupler for load resilient ion cyclotron range of frequency heating by configuring asymmetric impedance matching using a three-dimensional simulation code, hfss. By adjusting the characteristic impedances of main and coupled lines of the hybrid coupler, we realized that the bandwidth of the proposed circuit is not only wider than that of a conventional three-section coupler, but also that the bandwidth is almost twice as wide compared to the conventional two-section hybrid coupler while maintaining the identical overall size.},
doi = {10.1063/1.4731241},
journal = {Applied Physics Letters},
issn = {0003-6951},
number = 26,
volume = 100,
place = {United States},
year = {2012},
month = {6}
}